Grizzly G8749 instruction manual Troubleshooting, Possible Cause Symptom Corrective Action

TROUBLESHOOTING

				POSSIBLE CAUSE
SYMPTOM										CORRECTIVE ACTION
Motor will not start.				1.	Low voltage.					1.	Check power line for proper voltage.
				2.	Open circuit in motor or					2.	Inspect all lead connections on motor for
					loose connections.						loose or open connections.
Motor	will	not	start;	1.	Short circuit in line cord					1.	Inspect cord or plug for damaged insulation
fuses or circuit break-					or plug.						and shorted wires.
ers blow.				2.	Short circuit in motor or					2.	Inspect all connections on motor for loose
					loose connections.						or shorted terminals or worn insulation.
				3.	Incorrect		fuses or circuit			3.	Install correct fuses or circuit breakers.
					breakers in power line.
Motor fails to develop				1.	Power line			overloaded		1.	Reduce load on power line.
full power (power out-					with	lights, appliances,
put of motor decreas-					and other motors.
es	rapidly		with	2.	Undersized			wires	or	2.	Increase wire sizes or reduce length of
decrease in voltage at					circuits too long.						wire.
motor terminals).				3.	General		overloading		of	3.	Request a power check from the power
					power company facilities.						company.
Motor overheats.				1.	Motor overloaded.					1.	Reduce load on motor.
				2.	Air circulation through the					2.	Clean out motor to provide normal air circu-
					motor restricted.						lation.
Motor stalls (resulting				1.	Short circuit in motor or					1.	Inspect connections on motor for loose or
in blown		fuses or			loose connections.						shorted terminals or worn insulation.
tripped circuit).				2.	Low voltage.					2	Correct the low voltage conditions.
				3.	Incorrect		fuses or circuit			3.	Install correct fuses or circuit breakers.
					breakers in power line.
				4.	Motor overloaded.					4.	Reduce load on motor.
Machine slows down				1.	Applying too much pres-						Feed workpiece slower.
when operating.					sure to workpiece.
Sanded surface			has	1.	Sanding		sleeve has		a	1.	Replace sanding sleeve.
grooves or scratches.					tear	or	something		is	2.	Gently sweep the workpiece from right to
					embedded in the surface						left over the surface of the drum or flap
					of the sleeve.						attachment.
				2.	Workpiece is			not being
					moved across the flap or
					drum surface.

-16- G8749 Drum/Flap Sander